Dan Tech Academy
After this lesson you will
  • Trace the startup order from AndroidManifest through App.onCreate() to the first real screen
  • Explain how Koin modules and FeatureRegistry load before any feature ViewModel resolves
  • Pick the right file to open for a blank screen, an early crash, or a ViewModel injection failure
Duration6 min
DifficultyBeginner

How an Android App Starts Up

Understand every checkpoint the app passes from icon tap to first screen.

What this lesson covers
  1. 01Lesson Promise
  2. 02Why The Startup Path Matters
  3. 03Part 1: Start From The Manifest
  4. 04Part 2: Read The App.onCreate() Checkpoint
  5. 05Part 3: Read The LauncherActivity Checkpoint
  6. 06Part 4: Read The AppContent Checkpoint
  7. 07Part 5: Reach The First Screen
  8. 08Quick Debug Table
  9. 09Checkpoint

Topics: mobile-action-pro, architecture-map

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